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What is the Greatest Common Factor of 591 and 611?

Greatest common factor (GCF) of 591 and 611 is 1.

GCF(591,611) = 1

We will now calculate the prime factors of 591 and 611, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 591 and 611.

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How to find the GCF of 591 and 611?

We will first find the prime factorization of 591 and 611. After we will calculate the factors of 591 and 611 and find the biggest common factor number .

Step-1: Prime Factorization of 591

Prime factors of 591 are 3, 197. Prime factorization of 591 in exponential form is:

591 = 31 × 1971

Step-2: Prime Factorization of 611

Prime factors of 611 are 13, 47. Prime factorization of 611 in exponential form is:

611 = 131 × 471

Step-3: Factors of 591

List of positive integer factors of 591 that divides 591 without a remainder.

1, 3, 197

Step-4: Factors of 611

List of positive integer factors of 611 that divides 591 without a remainder.

1, 13, 47

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 591 and 611. The biggest common factor number is the GCF number.
So the greatest common factor 591 and 611 is 1.

Also check out the Least Common Multiple of 591 and 611